1320777616

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{6257}}^1$

素因数の和:6511

約数の個数: 40

約数和(自身を含む): 2607333120

約数和(自身を除く): 1286555504

約数列:

[1, 2, 4, 8, 16, 79, 158, 167, 316, 334, 632, 668, 1264, 1336, 2672, 6257, 12514, 13193, 25028, 26386, 50056, 52772, 100112, 105544, 211088, 494303, 988606, 1044919, 1977212, 2089838, 3954424, 4179676, 7908848, 8359352, 16718704, 82548601, 165097202, 330194404, 660388808, 1320777616]

約数ペア:

[(1, 1320777616), (2, 660388808), (4, 330194404), (8, 165097202), (16, 82548601), (79, 16718704), (158, 8359352), (167, 7908848), (316, 4179676), (334, 3954424), (632, 2089838), (668, 1977212), (1264, 1044919), (1336, 988606), (2672, 494303), (6257, 211088), (12514, 105544), (13193, 100112), (25028, 52772), (26386, 50056)]